Answer: Niche
Explanation: A synonym for niche is calling. It is his calling for him to be a writer. Hope this helps !
The correct answer should be A. Exposition.
Expositions are usually located at the beginning of a play and are used to show not only the conflict that is happening, but some other points like the characters and the setting.
Mrs. Tandy is an excellent cook. She bakes homemade bread every week. The aroma drifts from her kitchen and into my bedroom window. I always go to see her when I smell that delicious aroma. She gives me some bread to eat while I visit with her.